9.538 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.018 * * [simplify]: iteration 0: 6 enodes
0.019 * * [simplify]: iteration 1: 10 enodes
0.021 * * [simplify]: iteration 2: 23 enodes
0.027 * * [simplify]: iteration 3: 44 enodes
0.034 * * [simplify]: iteration 4: 58 enodes
0.043 * * [simplify]: iteration complete: 58 enodes
0.043 * * [simplify]: Extracting #0: cost 1 inf + 0
0.043 * * [simplify]: Extracting #1: cost 14 inf + 0
0.043 * * [simplify]: Extracting #2: cost 10 inf + 44
0.043 * * [simplify]: Extracting #3: cost 3 inf + 528
0.044 * * [simplify]: Extracting #4: cost 0 inf + 783
0.044 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.044 * * [progress]: iteration 1 / 4
0.044 * * * [progress]: picking best candidate
0.047 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.047 * * * [progress]: localizing error
0.053 * * * [progress]: generating rewritten candidates
0.053 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.068 * * * [progress]: generating series expansions
0.068 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.069 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.069 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.069 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 1 into 1
0.069 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.069 * [taylor]: Taking taylor expansion of 1.0 in x
0.069 * [backup-simplify]: Simplify 1.0 into 1.0
0.069 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.069 * [taylor]: Taking taylor expansion of 0.5 in x
0.069 * [backup-simplify]: Simplify 0.5 into 0.5
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 1 into 1
0.069 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 1 into 1
0.069 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.069 * [taylor]: Taking taylor expansion of 1.0 in x
0.069 * [backup-simplify]: Simplify 1.0 into 1.0
0.069 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.069 * [taylor]: Taking taylor expansion of 0.5 in x
0.069 * [backup-simplify]: Simplify 0.5 into 0.5
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 1 into 1
0.070 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.070 * [backup-simplify]: Simplify (- 0) into 0
0.070 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.070 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.070 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.072 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.072 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.073 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.073 * [backup-simplify]: Simplify 1.0 into 1.0
0.074 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.074 * [backup-simplify]: Simplify (- 0) into 0
0.074 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.077 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.077 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.077 * [backup-simplify]: Simplify (- 0) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.079 * [backup-simplify]: Simplify (- 0) into 0
0.080 * [backup-simplify]: Simplify (+ 0 0) into 0
0.081 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.082 * [backup-simplify]: Simplify (- 0) into 0
0.082 * [backup-simplify]: Simplify (+ 0 0) into 0
0.083 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.084 * [backup-simplify]: Simplify (- 0) into 0
0.084 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.087 * [backup-simplify]: Simplify (- 0) into 0
0.087 * [backup-simplify]: Simplify (+ 0 0) into 0
0.088 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.093 * [backup-simplify]: Simplify (- 0) into 0
0.093 * [backup-simplify]: Simplify (+ 0 0) into 0
0.094 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))))) into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.095 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.095 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.095 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.095 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.095 * [taylor]: Taking taylor expansion of 1.0 in x
0.095 * [backup-simplify]: Simplify 1.0 into 1.0
0.095 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.095 * [taylor]: Taking taylor expansion of 0.5 in x
0.095 * [backup-simplify]: Simplify 0.5 into 0.5
0.095 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.096 * [backup-simplify]: Simplify (/ 1 1) into 1
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.096 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.097 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.097 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.097 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.097 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.098 * [taylor]: Taking taylor expansion of 1.0 in x
0.098 * [backup-simplify]: Simplify 1.0 into 1.0
0.098 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.098 * [taylor]: Taking taylor expansion of 0.5 in x
0.098 * [backup-simplify]: Simplify 0.5 into 0.5
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (/ 1 1) into 1
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.098 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.099 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.099 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.100 * [backup-simplify]: Simplify -0.5 into -0.5
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.101 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.102 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.102 * [backup-simplify]: Simplify 1.0 into 1.0
0.103 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.104 * [backup-simplify]: Simplify (- 0) into 0
0.104 * [backup-simplify]: Simplify (+ 0 0) into 0
0.105 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (- 0) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.108 * [backup-simplify]: Simplify (- 0) into 0
0.109 * [backup-simplify]: Simplify (+ 0 0) into 0
0.109 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.111 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.111 * [backup-simplify]: Simplify (- 0) into 0
0.111 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.114 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.114 * [backup-simplify]: Simplify (- 0) into 0
0.114 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.117 * [backup-simplify]: Simplify (+ 0 0) into 0
0.118 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.119 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.119 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.119 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.119 * [taylor]: Taking taylor expansion of -1 in x
0.119 * [backup-simplify]: Simplify -1 into -1
0.119 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.119 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.119 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.119 * [taylor]: Taking taylor expansion of 0.5 in x
0.119 * [backup-simplify]: Simplify 0.5 into 0.5
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (/ 1 1) into 1
0.119 * [taylor]: Taking taylor expansion of 1.0 in x
0.119 * [backup-simplify]: Simplify 1.0 into 1.0
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.120 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.120 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.120 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.120 * [taylor]: Taking taylor expansion of -1 in x
0.120 * [backup-simplify]: Simplify -1 into -1
0.120 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.120 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.120 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.120 * [taylor]: Taking taylor expansion of 0.5 in x
0.120 * [backup-simplify]: Simplify 0.5 into 0.5
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [backup-simplify]: Simplify (/ 1 1) into 1
0.121 * [taylor]: Taking taylor expansion of 1.0 in x
0.121 * [backup-simplify]: Simplify 1.0 into 1.0
0.121 * [taylor]: Taking taylor expansion of x in x
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.121 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.121 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.122 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.122 * [backup-simplify]: Simplify -0.5 into -0.5
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.123 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.124 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.125 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.125 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.126 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.127 * [backup-simplify]: Simplify (+ 0 0) into 0
0.127 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (+ 0 0) into 0
0.130 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.131 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.132 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.132 * [backup-simplify]: Simplify (+ 0 0) into 0
0.133 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.134 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.135 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.135 * [backup-simplify]: Simplify (+ 0 0) into 0
0.136 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.137 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.137 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.139 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.142 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.143 * [backup-simplify]: Simplify (+ 0 0) into 0
0.143 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.145 * * * [progress]: simplifying candidates
0.146 * [simplify]: Simplifying:
  (expm1 (* x (- 1.0 (* x 0.5))))
  (log1p (* x (- 1.0 (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x (fma 1 1.0 (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* (fma 1 1.0 (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  (* x 1)
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.146 * * [simplify]: iteration 0: 71 enodes
0.182 * * [simplify]: iteration 1: 165 enodes
0.260 * * [simplify]: iteration 2: 496 enodes
0.619 * * [simplify]: iteration 3: 2247 enodes
2.333 * * [simplify]: iteration complete: 5001 enodes
2.333 * * [simplify]: Extracting #0: cost 21 inf + 0
2.334 * * [simplify]: Extracting #1: cost 339 inf + 1
2.349 * * [simplify]: Extracting #2: cost 940 inf + 5651
2.382 * * [simplify]: Extracting #3: cost 723 inf + 64941
2.449 * * [simplify]: Extracting #4: cost 210 inf + 182728
2.527 * * [simplify]: Extracting #5: cost 46 inf + 215324
2.592 * * [simplify]: Extracting #6: cost 14 inf + 221008
2.671 * * [simplify]: Extracting #7: cost 0 inf + 224921
2.738 * [simplify]: Simplified to:
  (expm1 (* (- 1.0 (* x 0.5)) x))
  (log1p (* (- 1.0 (* x 0.5)) x))
  (* (- 1.0 (* x 0.5)) x)
  (log (* (- 1.0 (* x 0.5)) x))
  (log (* (- 1.0 (* x 0.5)) x))
  (exp (* (- 1.0 (* x 0.5)) x))
  (* (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)) (* (- 1.0 (* x 0.5)) x))
  (* (cbrt (* (- 1.0 (* x 0.5)) x)) (cbrt (* (- 1.0 (* x 0.5)) x)))
  (cbrt (* (- 1.0 (* x 0.5)) x))
  (* (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)) (* (- 1.0 (* x 0.5)) x))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (* (sqrt (- 1.0 (* x 0.5))) (sqrt x))
  (* (sqrt (- 1.0 (* x 0.5))) (sqrt x))
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* x 1.0)
  (* (- x) (* x 0.5))
  (* x 1.0)
  (* (- x) (* x 0.5))
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* (cbrt (- 1.0 (* x 0.5))) (* x (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  x
  (* (- 1.0 (* x 0.5)) (cbrt x))
  (* (- 1.0 (* x 0.5)) (sqrt x))
  (* (- 1.0 (* x 0.5)) x)
  (* (- (* (* 1.0 1.0) 1.0) (* (* x 0.5) (* (* x 0.5) (* x 0.5)))) x)
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
2.739 * * * [progress]: adding candidates to table
2.847 * * [progress]: iteration 2 / 4
2.847 * * * [progress]: picking best candidate
2.850 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
2.850 * * * [progress]: localizing error
2.859 * * * [progress]: generating rewritten candidates
2.859 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.866 * * * [progress]: generating series expansions
2.866 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.866 * [backup-simplify]: Simplify (+ (* x 1.0) (* x (- (* x 0.5)))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.866 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
2.866 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
2.866 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.866 * [taylor]: Taking taylor expansion of 1.0 in x
2.866 * [backup-simplify]: Simplify 1.0 into 1.0
2.866 * [taylor]: Taking taylor expansion of x in x
2.866 * [backup-simplify]: Simplify 0 into 0
2.866 * [backup-simplify]: Simplify 1 into 1
2.866 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
2.866 * [taylor]: Taking taylor expansion of 0.5 in x
2.866 * [backup-simplify]: Simplify 0.5 into 0.5
2.866 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.866 * [taylor]: Taking taylor expansion of x in x
2.866 * [backup-simplify]: Simplify 0 into 0
2.866 * [backup-simplify]: Simplify 1 into 1
2.866 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
2.866 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.866 * [taylor]: Taking taylor expansion of 1.0 in x
2.866 * [backup-simplify]: Simplify 1.0 into 1.0
2.866 * [taylor]: Taking taylor expansion of x in x
2.866 * [backup-simplify]: Simplify 0 into 0
2.866 * [backup-simplify]: Simplify 1 into 1
2.866 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
2.866 * [taylor]: Taking taylor expansion of 0.5 in x
2.867 * [backup-simplify]: Simplify 0.5 into 0.5
2.867 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.867 * [taylor]: Taking taylor expansion of x in x
2.867 * [backup-simplify]: Simplify 0 into 0
2.867 * [backup-simplify]: Simplify 1 into 1
2.867 * [backup-simplify]: Simplify (* 1.0 0) into 0
2.867 * [backup-simplify]: Simplify (+ 0 0) into 0
2.867 * [backup-simplify]: Simplify 0 into 0
2.868 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
2.869 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.869 * [backup-simplify]: Simplify 1.0 into 1.0
2.869 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
2.869 * [backup-simplify]: Simplify (* 1 1) into 1
2.870 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.870 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.870 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
2.871 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.871 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
2.872 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.872 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.872 * [backup-simplify]: Simplify (- 0) into 0
2.873 * [backup-simplify]: Simplify (+ 0 0) into 0
2.873 * [backup-simplify]: Simplify 0 into 0
2.874 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
2.875 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.875 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.876 * [backup-simplify]: Simplify (- 0) into 0
2.876 * [backup-simplify]: Simplify (+ 0 0) into 0
2.876 * [backup-simplify]: Simplify 0 into 0
2.878 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
2.879 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.880 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.880 * [backup-simplify]: Simplify (- 0) into 0
2.880 * [backup-simplify]: Simplify (+ 0 0) into 0
2.880 * [backup-simplify]: Simplify 0 into 0
2.881 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
2.882 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.883 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.883 * [backup-simplify]: Simplify (- 0) into 0
2.883 * [backup-simplify]: Simplify (+ 0 0) into 0
2.883 * [backup-simplify]: Simplify 0 into 0
2.884 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
2.885 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.886 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.886 * [backup-simplify]: Simplify (- 0) into 0
2.886 * [backup-simplify]: Simplify (+ 0 0) into 0
2.886 * [backup-simplify]: Simplify 0 into 0
2.887 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
2.888 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.889 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.889 * [backup-simplify]: Simplify (- 0) into 0
2.889 * [backup-simplify]: Simplify (+ 0 0) into 0
2.889 * [backup-simplify]: Simplify 0 into 0
2.890 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.890 * [backup-simplify]: Simplify (+ (* (/ 1 x) 1.0) (* (/ 1 x) (- (* (/ 1 x) 0.5)))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
2.890 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
2.890 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
2.890 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.890 * [taylor]: Taking taylor expansion of 1.0 in x
2.890 * [backup-simplify]: Simplify 1.0 into 1.0
2.890 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.890 * [taylor]: Taking taylor expansion of x in x
2.890 * [backup-simplify]: Simplify 0 into 0
2.890 * [backup-simplify]: Simplify 1 into 1
2.891 * [backup-simplify]: Simplify (/ 1 1) into 1
2.891 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.891 * [taylor]: Taking taylor expansion of 0.5 in x
2.891 * [backup-simplify]: Simplify 0.5 into 0.5
2.891 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.891 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.891 * [taylor]: Taking taylor expansion of x in x
2.891 * [backup-simplify]: Simplify 0 into 0
2.891 * [backup-simplify]: Simplify 1 into 1
2.891 * [backup-simplify]: Simplify (* 1 1) into 1
2.892 * [backup-simplify]: Simplify (/ 1 1) into 1
2.892 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
2.892 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.892 * [taylor]: Taking taylor expansion of 1.0 in x
2.892 * [backup-simplify]: Simplify 1.0 into 1.0
2.892 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.892 * [taylor]: Taking taylor expansion of x in x
2.892 * [backup-simplify]: Simplify 0 into 0
2.892 * [backup-simplify]: Simplify 1 into 1
2.892 * [backup-simplify]: Simplify (/ 1 1) into 1
2.892 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.892 * [taylor]: Taking taylor expansion of 0.5 in x
2.892 * [backup-simplify]: Simplify 0.5 into 0.5
2.892 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.892 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.892 * [taylor]: Taking taylor expansion of x in x
2.892 * [backup-simplify]: Simplify 0 into 0
2.892 * [backup-simplify]: Simplify 1 into 1
2.893 * [backup-simplify]: Simplify (* 1 1) into 1
2.893 * [backup-simplify]: Simplify (/ 1 1) into 1
2.894 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.894 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.895 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
2.895 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.896 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.896 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.897 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.898 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.898 * [backup-simplify]: Simplify (- 0) into 0
2.898 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.898 * [backup-simplify]: Simplify 1.0 into 1.0
2.899 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.900 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.901 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.901 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.902 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.902 * [backup-simplify]: Simplify (- 0) into 0
2.902 * [backup-simplify]: Simplify (+ 0 0) into 0
2.902 * [backup-simplify]: Simplify 0 into 0
2.903 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.903 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
2.904 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.904 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.905 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.905 * [backup-simplify]: Simplify (- 0) into 0
2.905 * [backup-simplify]: Simplify (+ 0 0) into 0
2.905 * [backup-simplify]: Simplify 0 into 0
2.906 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.906 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.907 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.908 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.909 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.909 * [backup-simplify]: Simplify (- 0) into 0
2.909 * [backup-simplify]: Simplify (+ 0 0) into 0
2.909 * [backup-simplify]: Simplify 0 into 0
2.910 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.910 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.911 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.912 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.913 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.913 * [backup-simplify]: Simplify (- 0) into 0
2.913 * [backup-simplify]: Simplify (+ 0 0) into 0
2.913 * [backup-simplify]: Simplify 0 into 0
2.914 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.915 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.916 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.916 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.917 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.917 * [backup-simplify]: Simplify (- 0) into 0
2.918 * [backup-simplify]: Simplify (+ 0 0) into 0
2.918 * [backup-simplify]: Simplify 0 into 0
2.918 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.919 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.920 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.921 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.922 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.922 * [backup-simplify]: Simplify (- 0) into 0
2.922 * [backup-simplify]: Simplify (+ 0 0) into 0
2.922 * [backup-simplify]: Simplify 0 into 0
2.923 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.923 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) 1.0) (* (/ 1 (- x)) (- (* (/ 1 (- x)) 0.5)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
2.923 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
2.923 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
2.923 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
2.923 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.923 * [taylor]: Taking taylor expansion of 0.5 in x
2.923 * [backup-simplify]: Simplify 0.5 into 0.5
2.923 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.923 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.923 * [taylor]: Taking taylor expansion of x in x
2.923 * [backup-simplify]: Simplify 0 into 0
2.923 * [backup-simplify]: Simplify 1 into 1
2.923 * [backup-simplify]: Simplify (* 1 1) into 1
2.924 * [backup-simplify]: Simplify (/ 1 1) into 1
2.924 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.924 * [taylor]: Taking taylor expansion of 1.0 in x
2.924 * [backup-simplify]: Simplify 1.0 into 1.0
2.924 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.924 * [taylor]: Taking taylor expansion of x in x
2.924 * [backup-simplify]: Simplify 0 into 0
2.924 * [backup-simplify]: Simplify 1 into 1
2.924 * [backup-simplify]: Simplify (/ 1 1) into 1
2.924 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
2.924 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
2.924 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.924 * [taylor]: Taking taylor expansion of 0.5 in x
2.924 * [backup-simplify]: Simplify 0.5 into 0.5
2.924 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.924 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.924 * [taylor]: Taking taylor expansion of x in x
2.924 * [backup-simplify]: Simplify 0 into 0
2.924 * [backup-simplify]: Simplify 1 into 1
2.924 * [backup-simplify]: Simplify (* 1 1) into 1
2.925 * [backup-simplify]: Simplify (/ 1 1) into 1
2.925 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.925 * [taylor]: Taking taylor expansion of 1.0 in x
2.925 * [backup-simplify]: Simplify 1.0 into 1.0
2.925 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.925 * [taylor]: Taking taylor expansion of x in x
2.925 * [backup-simplify]: Simplify 0 into 0
2.925 * [backup-simplify]: Simplify 1 into 1
2.925 * [backup-simplify]: Simplify (/ 1 1) into 1
2.929 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.930 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
2.930 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.930 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.931 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.931 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.931 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.932 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.932 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
2.932 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.932 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.933 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.933 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.934 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.934 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.935 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.935 * [backup-simplify]: Simplify (+ 0 0) into 0
2.935 * [backup-simplify]: Simplify (- 0) into 0
2.935 * [backup-simplify]: Simplify 0 into 0
2.936 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.937 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.938 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.939 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.940 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
2.940 * [backup-simplify]: Simplify (+ 0 0) into 0
2.941 * [backup-simplify]: Simplify (- 0) into 0
2.941 * [backup-simplify]: Simplify 0 into 0
2.942 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.943 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.944 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.945 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.946 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.947 * [backup-simplify]: Simplify (+ 0 0) into 0
2.947 * [backup-simplify]: Simplify (- 0) into 0
2.947 * [backup-simplify]: Simplify 0 into 0
2.948 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.949 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.950 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.950 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.951 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.951 * [backup-simplify]: Simplify (+ 0 0) into 0
2.951 * [backup-simplify]: Simplify (- 0) into 0
2.952 * [backup-simplify]: Simplify 0 into 0
2.952 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.953 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.954 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.954 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.955 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.955 * [backup-simplify]: Simplify (+ 0 0) into 0
2.955 * [backup-simplify]: Simplify (- 0) into 0
2.955 * [backup-simplify]: Simplify 0 into 0
2.956 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.957 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.958 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.958 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.959 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.960 * [backup-simplify]: Simplify (+ 0 0) into 0
2.960 * [backup-simplify]: Simplify (- 0) into 0
2.960 * [backup-simplify]: Simplify 0 into 0
2.961 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.961 * * * [progress]: simplifying candidates
2.961 * [simplify]: Simplifying:
  (expm1 (+ (* x 1.0) (* x (- (* x 0.5)))))
  (log1p (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (exp (* x 1.0)) (exp (* x (- (* x 0.5)))))
  (log (+ (* x 1.0) (* x (- (* x 0.5)))))
  (exp (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))) (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))))
  (cbrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (* (+ (* x 1.0) (* x (- (* x 0.5)))) (+ (* x 1.0) (* x (- (* x 0.5))))) (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (+ (pow (* x 1.0) 3) (pow (* x (- (* x 0.5))) 3))
  (+ (* (* x 1.0) (* x 1.0)) (- (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))) (* (* x 1.0) (* x (- (* x 0.5))))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))))
  (- (* x 1.0) (* x (- (* x 0.5))))
  (+ 1.0 (- (* x 0.5)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
2.961 * * [simplify]: iteration 0: 37 enodes
2.971 * * [simplify]: iteration 1: 126 enodes
3.032 * * [simplify]: iteration 2: 501 enodes
3.567 * * [simplify]: iteration 3: 2542 enodes
5.595 * * [simplify]: iteration complete: 5000 enodes
5.596 * * [simplify]: Extracting #0: cost 14 inf + 0
5.597 * * [simplify]: Extracting #1: cost 400 inf + 0
5.603 * * [simplify]: Extracting #2: cost 629 inf + 1029
5.622 * * [simplify]: Extracting #3: cost 299 inf + 67538
5.707 * * [simplify]: Extracting #4: cost 12 inf + 122034
5.804 * * [simplify]: Extracting #5: cost 2 inf + 121871
5.910 * * [simplify]: Extracting #6: cost 0 inf + 122994
6.019 * [simplify]: Simplified to:
  (expm1 (* (- 1.0 (* 0.5 x)) x))
  (log1p (* (- 1.0 (* 0.5 x)) x))
  (exp (* (- 1.0 (* 0.5 x)) x))
  (log (* (- 1.0 (* 0.5 x)) x))
  (exp (* (- 1.0 (* 0.5 x)) x))
  (* (cbrt (* (- 1.0 (* 0.5 x)) x)) (cbrt (* (- 1.0 (* 0.5 x)) x)))
  (cbrt (* (- 1.0 (* 0.5 x)) x))
  (* (* (* (- 1.0 (* 0.5 x)) x) (* (- 1.0 (* 0.5 x)) x)) (* (- 1.0 (* 0.5 x)) x))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (- (* (* x 1.0) (* (* x 1.0) (* x 1.0))) (* (* (* (* 0.5 x) x) (* (* 0.5 x) x)) (* (* 0.5 x) x)))
  (fma (* x 1.0) (* x 1.0) (* (* (* 0.5 x) x) (* x (+ 1.0 (* 0.5 x)))))
  (* (* x x) (* (+ 1.0 (* 0.5 x)) (- 1.0 (* 0.5 x))))
  (* x (fma x 0.5 1.0))
  (- 1.0 (* 0.5 x))
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
6.020 * * * [progress]: adding candidates to table
6.097 * [progress]: [Phase 3 of 3] Extracting.
6.097 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
6.098 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
6.098 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
6.134 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
6.157 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
6.157 * [simplify]: Simplifying:
  (+ (* x 1.0) (* x (- (* x 0.5))))
6.157 * * [simplify]: iteration 0: 8 enodes
6.158 * * [simplify]: iteration 1: 18 enodes
6.159 * * [simplify]: iteration 2: 23 enodes
6.161 * * [simplify]: iteration 3: 24 enodes
6.162 * * [simplify]: iteration complete: 24 enodes
6.163 * * [simplify]: Extracting #0: cost 1 inf + 0
6.163 * * [simplify]: Extracting #1: cost 3 inf + 0
6.163 * * [simplify]: Extracting #2: cost 9 inf + 0
6.163 * * [simplify]: Extracting #3: cost 9 inf + 2
6.163 * * [simplify]: Extracting #4: cost 0 inf + 658
6.163 * [simplify]: Simplified to:
  (+ (* x 1.0) (* (- (* 0.5 x)) x))
7.113 * [regime-testing]: Baseline error score: 0.00837320664126765
7.122 * [regime-testing]: Oracle error score: 0.00012501562695336918
7.157 * [regime-testing]: End program error score: 0.00837320664126765